Home / 25,913.16-35,758.19-15,300.75

Finding the Fourth Proportional to 25,913.16, 35,758.19 and 15,300.75

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Solution

The fourth proportional to 25,913.16, 35,758.19 and 15,300.75 is: 21,113.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,913.16 : 35,758.19 = 15,300.75 : x
  2. Step 2: Convert to fraction form
    25,913.16/35,758.19 = 15,300.75/x
  3. Step 3: Cross multiply
    25,913.16x = 35,758.19 × 15,300.75
  4. Step 4: Simplify right side
    25,913.16x = 547,127,049.14
  5. Step 5: Solve for x
    x = 547,127,049.14/25,913.16
  6. Step 6: Final answer
    x = 21,113.87

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.